Environment 2017: Analysis

We highlight 806 standout individuals for their expertise in environment law. The practitioners listed in the guide offer expert counsel on transactional matters, regulatory obligations and risk management strategies. Our research also identifies the leading litigators in the field, who have been selected for their experience in national and cross-border disputes including citizen suits, enforcement actions and government investigations.


Thought Leaders
1. Magnus Fröberg Fröberg & Lundholm, Stockholm
2. Paul Davies Latham & Watkins, London
3. Alison Fanagan A&L Goodbody, Dublin
4. Doug Bryden Travers Smith, London
5. Mikael Hägglöf Fröberg & Lundholm, Stockholm
6. Uwe Erling Noerr, Munich
The Thought Leaders are those individuals who received the highest number of nominations from peers, corporate counsel and other market sources this year. Our research has identified them as being truly outstanding practitioners and the very best in their field.

Leading Firms

Who's Who Legal does not list law firms, only individual lawyers. The leading firms are those in each region whose listed practitioners received the most total nominations in our research.

MANNHEIMER SWARTLING ADVOKATBYRÅ sees five highly regarded experts listed for their impressive work in the space.
Per Molander is a seasoned adviser who regularly counsels on environmental assessments, risk management and commercial transactions.
Felicia Ullerstam “is always responsive and provides fast advice and guidance” according to sources who add, “She is one of the most skilled environmental lawyers in Sweden.”

Four lawyers from FRÖBERG & LUNDHOLM are recognised in this year’s edition.
Magnus Fröberg is a “standout name” and receives wide-ranging endorsements for his superb expertise in the field.
Mikael Hägglöf is a prominent name in the market with a strong reputation for his impeccable depth of knowledge.
Mikael Lundholm is highly visible in the international marketplace and draws praise for his broad practice.
The “outstanding” Mikael Berglund is a world-class expert in the space.

Four top lawyers from ALLEN & OVERY achieve listings this year.
Matthew Townsend is a distinguished practitioner and renowned expert in matters relating to M&A transactions.
Henry van Geen enjoys an excellent reputation for his broad range of experience and strategic commercial approach.

Two lawyers from TRAVERS SMITH are included here.
Doug Bryden is an “energetic and thoroughly prepared adviser” with wide-ranging expertise in compliance and risk management.
The “fantastic” Owen Lomas provides top-quality advice on transactional matters and environmental liability management.

LINKLATERS achieves two listings.
Vanessa Havard-Williams leads the firm’s global practice and impresses market commentators with her expertise in environmental impact and crisis management.
Chris Staples stands out for his expert handling of international transactions. Peers describe him as an “extremely clever and commercial lawyer”.

Two standout practitioners from LATHAM & WATKINS are highlighted in this year’s edition.
With significant expertise in Chinese environmental law and policy, Paul Davies is a go-to lawyer for transactions in the region.
Michael Green stands out for his “excellent practical advice” and “impeccable level of service”.

A&L GOODBODY achieves two listings in the space.
Alison Fanagan is an esteemed commercial litigator with specialist experience in contentious matters including third-party liability and contaminated land cases.
Peers commend Alan Roberts’ project experience and prowess in the renewable energy sector.

Two outstanding practitioners from NOERR are listed here.
Uwe Erling is “an excellent lawyer” with a deep knowledge of public and administrative law matters. He has strong experience in the renewable energy and mining sectors.
The “fantastic” Martin Ahlhaus draws praise for his outstanding expertise in product regulation.

CASTRÉN & SNELLMAN ATTORNEYS achieves two listings.
Matias Wallgren heads the firm’s environmental and real estate practice group and is a trusted adviser to large international clients.
Heidi Malmberg is a highly regarded lawyer and receives widespread acclaim for her environmental liability practice. 

Other Leading Individuals

We highlight individuals at other firms who also scored very highly in our research.


KROMANN REUMERT’s Kim Trenskow regularly advises large corporations on transactional matters. He enjoys a strong reputation for his work in the space and boasts deep knowledge of EU environment rules.


Caroline May leads the environment practice at NORTON ROSE FULBRIGHT’s London office. She is a highly regarded figure in the international marketplace and has been involved in a number of landmark cases.

At HOGAN LOVELLS INTERNATIONAL Louise Moore is well regarded among peers and clients alike, who commend her for her outstanding transactional expertise.

SIMMONS & SIMMONS is home to Steven McNab, who stands out for his broad project experience and deep regulatory knowledge.


At HAMMARSTRÖM PUHAKKA PARTNERS ATTORNEYS Kari Marttinen is “warmly recommended” for his strong dispute resolution practice. He represents clients in the energy, recycling and forestry industries and is very well regarded for his work in this space. 

North America

Thought Leaders
1. Michael Gerrard Arnold & Porter Kaye Scholer, New York
2. Leonard Griffiths Bennett Jones, Toronto
3. Jonathan Kahn Blake Cassels & Graydon, Toronto
4. Lynn Bergeson Bergeson & Campbell, Washington
5. John Stefaniuk Thompson Dorfman Sweatman, Winnipeg
6. Marc McAree Willms & Shier Environmental Lawyers, Toronto
7. Tony Crossman Blake Cassels & Graydon, Vancouver
8. Gail Port Proskauer Rose, New York

Leading Firms

With an impressive 11 listings, international powerhouse SIDLEY AUSTIN is a leading firm in the region.
Samuel Gutter is a seasoned litigator and negotiator. He regularly assists clients in complex and high-stakes disputes and is “excellent” in this space, according to commentators.
Former environmental prosecutor David Buente Jr provides sophisticated regulatory advice and representation in litigation proceedings. He impresses sources with his exceptional knowledge of environmental regulations and case law, which one peer states amounts to “photographic memory and virtually total recall”.

BEVERIDGE & DIAMOND is home to nine leading practitioners.
Karl Bourdeau is a “seasoned operator” and “terrific attorney for RCRA and CERCLA matters”.
Russell LaMotte stands out for his “highly effective counsel on traditional environmental issues”. Peers describe him as “a credit to the firm”.
Paul Hagen is a highly regarded lawyer and trusted adviser to a broad range of multinational corporations.

LATHAM & WATKINS sees nine top names listed in the region.
Robert Wyman Jr has a strong defence practice and is regularly involved in large claims and prosecutions.
David Langer “provides an excellent service to clients and is really at the top of his game”.
James Barrett is a distinguished practitioner with strong regulatory and transactional expertise.

SIVE PAGET & RIESEL boasts a prominent position in the regional market and sees eight practitioners listed here.
Kathy Robb is “a very fine lawyer” with a strong reputation for her expertise in regulatory and transactional matters. She is an excellent litigator and trusted representative to a broad range of major clients.
Jeffrey Gracer is a highly responsive practitioner commended by peers for his “great client service”. Commentators add that they “would definitely refer business to him”.
Mark Chertok is described as “one of the smartest people out there. His litigation skills and instinct are unmatched.” Interviewees also call Chertok “one of the nation’s best NEPA and Clean Water Act attorneys”.
Daniel Riesel is a renowned litigator. His well-developed practice encompasses ocean dumping, wetland and multi-party toxic torts.
The “excellent” David Paget impresses market commentators with his longstanding litigation experience and sophisticated knowledge of federal and state regulation.

ARNOLD & PORTER KAYE SCHOLER achieves an impressive eight listings.
Michael Gerrard ranks prominently for his prestigious environmental law practice, receiving wide-ranging endorsements for his litigation prowess and “outstanding” advisory work.
Former Department of Justice lawyer Joel Gross boasts longstanding expertise in federal and state litigation. He is highly regarded for his experience in civil and criminal enforcement actions and is “in the A team” of US environmental lawyers, according to sources.

WILLMS & SHIER ENVIRONMENTAL LAWYERS sees six practitioners listed here.
Marc McAree enjoys a stellar reputation as a “top-level environmental litigator” and excels in complex civil and regulatory proceedings.
Charles Birchall is praised for his specialist advice on impact assessments and compliance.

GOWLING WLG is home to six noteworthy practitioners.
Mark Madras is a longstanding expert in the field and provides impeccable counsel on a broad range of regulatory and liability matters.
David Estrin is “among the leading players” for international advisory work, according to impressed sources.

DENTONS CANADA achieves an impressive six listings.
Alex MacWilliam is a trusted adviser to a broad range of Canadian and multinational clients. He impresses peers with his crisis management and dispute resolution practice.
Nicholas Yost is a longstanding fixture in the market with an excellent reputation for his work in environmental impact assessments.

BLAKE CASSELS & GRAYDON is a leading firm in the Canadian market and sees five practitioners listed here.
The “outstandingly capable” Jonathan Kahn stands out in the international marketplace for his seamless handling of complex transactions and strong prosecutions practice.
Tony Crossman ranks prominently among the “top tier of environmental lawyers in British Columbia”. He draws praise for his meticulous approach to risk-management and regulatory compliance.
Charles Kazaz is a distinguished practitioner with a wealth of experience in commercial and industrial matters. He regularly advises major clients from the mining industry and has strong expertise in compliance and project development.
Dufferin Harper regularly acts for a broad range of clients from the energy and natural resources industries. He receives widespread acclaim for his sophisticated knowledge of due diligence and environmental liability.
Janice Walton is a highly regarded practitioner and receives endorsements for her expertise in endangered species law.

BRACEWELL sees five lawyers listed here.
Jeffrey Holmstead is a highly experienced practitioner who spent several years with the EPA’s Office for Air and Radiation. He is commended for his sophisticated strategic advice and strong litigation practice.

NORTON ROSE FULBRIGHT is home to five impressive practitioners.
Janet Bobechko’s broad practice encompasses compliance issues, impact assessments and transactional matters. She works across a range of industries and is widely held to be “a leading figure for land contamination issues”.

FARELLA BRAUN + MARTEL achieves five listings in the region.
James Bruen is a “top-tier lawyer” with broad experience in complex litigation proceedings.
Chris Locke’s practice encompasses litigation, regulatory compliance and strategic commercial advice.

In Canada, four standout practitioners from BENNETT JONES are listed here.
Leonard Griffiths is a leading name in the market, known for his “longstanding experience in top-level corporate environmental law”.
Brad Gilmour is a “phenomenal practitioner” with deep regulatory expertise and a strong prosecution practice.

Two excellent practitioners at THOMPSON DORFMAN SWEATMAN are recognised in this year’s research.
John Stefaniuk is lauded by sources, who call him a “very experienced and well-respected environmental lawyer”.
Sheryl Rosenberg provides top-quality advice to clients from the mining and natural resource industries.

PROSKAUER ROSE sees two top lawyers listed here.
Thought leader Gail Port is “a very fine lawyer” and esteemed litigation specialist. Her world-class practice encompasses M&A, compliance and a broad range of transactions.
Robert Kafin founded the firm’s environmental practice and is expert in a broad range of complex regulatory, transactional and political environmental law matters.

Two lawyers from DAVIES WARD PHILLIPS & VINEBERG stand out in this year’s research.
Sarah Powell is a highly regarded practitioner with vast expertise in international transactions, particularly in relation to the mining and renewable energy industries.
The “excellent” Alexandria Pike impresses market commentators with her strategic approach to risk-management and enforcement matters.

LOWENSTEIN SANDLER achieves two listings.
Michael Rodburg is a longstanding expert in the field. He impresses market commentators with his strong litigation practice and expert handling of large transactions.
Richard Ricci excels in high-stakes litigation and is praised as an extremely responsive lawyer.

Other Leading Individuals


MCCARTHY TÉTRAULT is home to Paul Cassidy, who impresses peers with his strong litigation practice and seamless advice on regulatory matters.

At OSLER HOSKIN & HARCOURT Shawn Denstedt QC is a world-class expert in environmental matters impacting the natural resources industry. He has extensive regulatory knowledge and regularly represents clients in multibillion-dollar projects.

Gray Taylor, principal at GRAY TAYLOR LAW, is a longstanding expert in the field with extensive expertise in commercial transactions and emission trading matters.


CROWELL & MORING’s Elliott Laws is praised for his strategic commercial insights and expertise in crisis management.

At COVINGTON & BURLING Theodore Garrett is an “excellent attorney” who draws praise for his broad expertise in litigation, compliance and complex transactions.

BERGESON & CAMPBELL’s Lynn Bergeson provides expert counsel on a vast array of strategic and regulatory matters. She is regularly engaged in multi-jurisdictional projects and is highly regarded for her work in the space.

Peers “cannot speak highly enough” of ALLEN & OVERY’s Kenneth Rivlin, who stands out for his expert handling of complex projects.

CRAVATH SWAINE & MOORE’s Matthew Morreale is a “terrific negotiator with a focused and no-nonsense approach”.

FOX ROTHSCHILD’s Kenneth Mack is a “very talented, smart and savvy lawyer. He is excellent in tricky projects,” say sources.


Thought Leaders
1. Mark Brennan Ashurst, Australia

Leading Firms

Four eminent practitioners from HERBERT SMITH FREEHILLS are highlighted here.
John Taberner “has long been a standout name in the market” and ranks among the very elite of lawyers in the region.
Peter Briggs is a greatly respected practitioner, described as “one of the leading lawyers in New South Wales”.

CLAYTON UTZ is a prominent firm in the region and achieves four listings here.
Brad Wylynko is a leading authority on mining matters and boasts a strong compliance practice.
“Leading laywer” Karen Trainor is regularly engaged by major clients in high-value infrastructure projects. She is well regarded in relation to compliance and impact assessment matters.

Two excellent practitioners from ADDISONS LAWYERS are recognised in this year’s research.
Harshane Kahagalle ranks prominently for expertise in infrastructure and natural resources projects. Peers speak highly of his “commercial and personable approach”.
David O'Donnell is highlighted as being “one of the most highly regarded environment specialists” in the market. Sources add, “He has an excellent reputation, profile and client base.”

CORRS CHAMBERS WESTGARTH achieves two listings.
Sources call Christine Covington “an excellent environmental lawyer with a strong international focus”. One peer comments: “She would be our top recommendation in Australia.”
Henry Prokuda “really stands out in Queensland” for his commercial approach and wide-ranging expertise in environmental impact regulations and compliance.

Other Leading Individuals


Thought leader Mark Brennan is a pre-eminent name at ASHURST. He regularly assists mining companies defend against legal challenges and comes highly regarded for his work in this space.

HOPGOODGANIM LAWYERS’s David Nicholls is an excellent strategist and skilful negotiator. He is a real asset in contentious situations.

ALLENSBill McCredie is a highly regarded practitioner with superb expertise in environmental impact assessments, licencing and compliance.

New Zealand

Rachel Devine is a leading practitioner at MINTER ELLISON RUDD WATTS. She draws praise for her “diverse range of significant clients and expert handling of complex work”.

Latin America

Thought Leaders
1. Luis R Vera Morales VERA & ASOCIADOS, Mexico

Leading Firms

VERA & ASOCIADOS is a prominent firm in Mexico and sees two lawyers listed here.
Luis Vera Morales is a leader in the field with “phenomenal expertise in environmental compliance”, according to interviewees.
Gabriel Bustamante Brambila is highlighted for his “commercial and responsive” style of delivery in complex disputes.

MATTOS FILHO VEIGA FILHO MARREY JR E QUIROGA ADVOGADOS achieves two listings in this chapter.
Lina Pimentel Garcia is a highly regarded practitioner and regularly advises on contaminated land and licencing issues.
Luiz Gustavo Bezerra is highly visible in the market and is recognised as a seasoned litigator and negotiator. 

Other Leading Individuals


Luiz Fernando Henry Sant'Anna at DEMAREST ADVOGADOS is an “excellent adviser in complex work and compliance issues”.


CREEL GARCÍA-CUÉLLAR AIZA Y ENRÍQUEZ SC’s Carlos de Icaza is an esteemed practitioner and expert hander of complex transactional matters.

At BAKER MCKENZIE ABOGADOS SCFederico Ruanova Guinea is a well-established expert in environmental compliance.

Sergio Benjamin Bustamante Acuña of COUNSELORS INTERNATIONAL ABOGADOS stands out for his “broad client base and significant project work”.

JONES DAY’s Mauricio Llamas is well regarded among peers, who commend him for his excellent work in compliance. 

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Nominees have been selected based upon comprehensive, independent survey work with both general counsel and private practice lawyers worldwide. Only specialists who have met independent international research criteria are listed.

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